#ifdef GL_ES

precision mediump float;

precision mediump int;

#define PROCESSING_TEXTURE_SHADER

uniform sampler2D texture;

uniform vec2 texOffset;

varying vec4 vertColor;

varying vec4 vertTexCoord;

void main(void) {

// Grouping texcoord variables in order to make it work in the GMA 950. See post #13

// in this thread:

// http://www.idevgames.com/forums/thread-3467.html

vec2 tc0 = vertTexCoord.st + vec2(-texOffset.s, -texOffset.t);

vec2 tc1 = vertTexCoord.st + vec2( 0.0, -texOffset.t);

vec2 tc2 = vertTexCoord.st + vec2(+texOffset.s, -texOffset.t);

vec2 tc3 = vertTexCoord.st + vec2(-texOffset.s, 0.0);

vec2 tc4 = vertTexCoord.st + vec2( 0.0, 0.0);

vec2 tc5 = vertTexCoord.st + vec2(+texOffset.s, 0.0);

vec2 tc6 = vertTexCoord.st + vec2(-texOffset.s, +texOffset.t);

vec2 tc7 = vertTexCoord.st + vec2( 0.0, +texOffset.t);

vec2 tc8 = vertTexCoord.st + vec2(+texOffset.s, +texOffset.t);

vec4 col0 = texture2D(texture, tc0);

vec4 col1 = texture2D(texture, tc1);

vec4 col2 = texture2D(texture, tc2);

vec4 col3 = texture2D(texture, tc3);

vec4 col4 = texture2D(texture, tc4);

vec4 col5 = texture2D(texture, tc5);

vec4 col6 = texture2D(texture, tc6);

vec4 col7 = texture2D(texture, tc7);

vec4 col8 = texture2D(texture, tc8);

vec4 sum = (1.0 * col0 + 2.0 * col1 + 1.0 * col2 +

2.0 * col3 + 4.0 * col4 + 2.0 * col5 +

1.0 * col6 + 2.0 * col7 + 1.0 * col8) / 16.0;

gl_FragColor = vec4(sum.rgb, 1.0) * vertColor;

}